For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningFuel
Use of the recommended fuel is an important part of the proper maintenance of
this vehicle. To help keep the engine clean and maintain optimum vehicle performance,
we recommend the use of gasoline advertised as TOP TIER Detergent Gasoline.
Look for the TOP TIER label on the fuel pump to ensure ...
Driving Characteristics and Towing Tips
Driving with a Trailer
When towing a trailer:
• Become familiar with the state and local laws that apply specifically to trailer
towing.
• Do not tow a trailer during the first 800 km (500 mi), to prevent damage to the
engine, axle or other parts.
• Then, during the first 800 km (500 mi) tra ...
Hazard Warning Flashers
(Hazard Warning Flasher):
Press and momentarily hold this button on the instrument panel above the climate
control system, to make the front and rear turn signal lamps flash on and off. This
warns others that you are having trouble.
Press and momentarily hold again to turn the flashers off ...